A hypotonic aqueous sodium hyaluronate solution in Vismed contains several significant ions that are also present in natural tears. As a result, Vismed closely resembles the properties of the natural tear film. Vismed's special patented formulation with citrate makes it feasible to include both SH and necessary ions. Vismed provides patients with ocular dryness feelings an unsurpassed combination of symptomatic relief and comfort with this unique formulation. Vismed Multi is cost-effective to use without sacrificing the benefits of Vismed since this practical bottle is easy to use and may be stored for three months after opening. Preservative-free and simple to use, Vismed Multi. much.